The Allen-Bradley 1394-SR9AF external shunt resistor kit is a vital accessory for the 1394 series systems, designed to manage excess energy in scenarios where internal shunt capacities are exceeded or absent. This Series B kit, incorporating a Bussman FWP-50A14F fuse, boasts a power capacity of 160,000 Watts peak and 900 Watts continuous, with a resistance rating of 4 Ohms. Certified by UL, cUL, and CE, it is suitable for diverse industrial applications worldwide, operating effectively within ambient temperatures up to 122 °F and storage conditions ranging from 32 °F to 149 °F under specified environmental controls.